Protected apps

Fix up protected apps filter.

Move filtering to correct place (when querying providers,
ResolveInfo.activityInfo is null), and port over commit
4dad4a4e from cm-11.0.

Protected Apps: do not filter components from the same UID

pm: Use ArraySet instead of HashSet

packagemanager: Use ArrayMap/ArraySet as per AOSP

 * To reduce memory consumption

Change-Id: Ic690387cd21fdfa09ef5fb19bd3de9305050cf6e